adding hack/build* to make life easy and added version command. Getting my feet wet (#69)

.gitignore

@@ -13,6 +13,7 @@
 
 # kn binary itself, if you want to `go build cmd/kn` in the top dir.
 /kn
+/kn-*`
 
 # emacs tempfiles
 \#*

hack/build-binaries.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+# Copyright 2018 The Knative Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -e -x -u
+
+GOOS=darwin GOARCH=amd64 go build -o kn-darwin-amd64 ./cmd/...
+GOOS=linux GOARCH=amd64 go build -o kn-linux-amd64 ./cmd/...
+GOOS=windows GOARCH=amd64 go build -o kn-windows-amd64.exe ./cmd/...
+
+shasum -a 256 ./kn-*-amd64*

hack/build.sh

@@ -0,0 +1,28 @@
+#!/bin/bash
+
+# Copyright 2018 The Knative Authors
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -e -x -u
+
+VERSION=0.0.0
+BUILDTIME=`date -u +%Y%m%d.%H%M%S`
+
+go fmt ./cmd/... ./pkg/...
+
+go build -ldflags "-X github.com/knative/client/pkg/kn/commands.Version=$VERSION.$BUILDTIME" ./cmd/...
+
+./kn version
+
+echo "Success"

pkg/kn/commands/root.go

@@ -77,6 +77,7 @@ Eventing: Manage event subscriptions and channels. Connect up event sources.`,
 	rootCmd.AddCommand(NewServiceCommand(p))
 	rootCmd.AddCommand(NewRevisionCommand(p))
 	rootCmd.AddCommand(NewCompletionCommand(p))
+	rootCmd.AddCommand(NewVersionCommand(p))
 
 	// For glog parse error.
 	flag.CommandLine.Parse([]string{})

pkg/kn/commands/service_describe_test.go

@@ -16,17 +16,17 @@ package commands
 
 import (
 	"bytes"
-	"testing"
 	"encoding/json"
+	"testing"
 
-	"sigs.k8s.io/yaml"
-	"k8s.io/apimachinery/pkg/api/equality"
 	"github.com/knative/serving/pkg/apis/serving/v1alpha1"
 	serving "github.com/knative/serving/pkg/client/clientset/versioned/typed/serving/v1alpha1"
 	"github.com/knative/serving/pkg/client/clientset/versioned/typed/serving/v1alpha1/fake"
+	"k8s.io/apimachinery/pkg/api/equality"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/runtime"
 	client_testing "k8s.io/client-go/testing"
+	"sigs.k8s.io/yaml"
 )
 
 func fakeServiceDescribe(args []string, response *v1alpha1.Service) (action client_testing.Action, output string, err error) {

pkg/kn/commands/version.go

@@ -0,0 +1,34 @@
+// Copyright © 2019 The Knative Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package commands
+
+import (
+	"fmt"
+	"github.com/spf13/cobra"
+)
+
+var Version string
+
+func NewVersionCommand(p *KnParams) *cobra.Command {
+	versionCmd := &cobra.Command{
+		Use:   "version",
+		Short: "Prints the client version",
+		RunE: func(cmd *cobra.Command, args []string) error {
+			fmt.Println(fmt.Sprintf("Client Version: %s\n", Version))
+			return nil
+		},
+	}
+	return versionCmd
+}

pkg/serving/config_changes_test.go

@@ -1,4 +1,4 @@
-// Copyright © 2019 The Knative Authors
+// Copyright © 2019 The Knative Authors
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.